A144634 Triangle of 3-restricted Stirling numbers of the first kind (T(n,k), 1 <= k <= n), read by rows.

1, -1, 1, 2, -3, 1, -5, 11, -6, 1, 10, -45, 35, -10, 1, 35, 175, -210, 85, -15, 1, -910, -315, 1225, -700, 175, -21, 1, 11935, -6265, -5670, 5565, -1890, 322, -28, 1, -134750, 139755, -5005, -39270, 19425, -4410, 546, -36, 1, 1376375, -2127125

Offset

1,4

Comments

See A144633 for further information.

Links

Table of n, a(n) for n=1..47.

Example

Triangle begins:
1
-1 1
2 -3 1
-5 11 -6 1
10 -45 35 -10 1
35 175 -210 85 -15 1
-910 -315 1225 -700 175 -21 1

Crossrefs

Cf. A144633.

Sequence in context: A049020 A299105 A307899 * A178125 A147315 A085853

Adjacent sequences: A144631 A144632 A144633 * A144635 A144636 A144637

Keyword

sign,tabl

Author

N. J. A. Sloane, Jan 21 2009

Extensions

More terms from Vladeta Jovovic, Jan 21 2009

Status

approved